JavaWeb domain object & EL expression & JSTL
catalogue
I. domain object
1. What is scope?
2. Four domain objects
2, EL
1. Why do I need EL
2. What is EL
3. Functions of EL
4. EL syntax
5. Characteristics of EL
🔘 Automatic conversion type
🔘 Easy to use
6. EL variable attribute range name
7. Get the data in the object set
3, JSTL
1. Why use JSTL?
2. What is JSTL?
3. Steps f ...
Posted by gregmiller on Fri, 15 Apr 2022 19:19:50 +0300
Introduction to Web APIs, DOM tree, case: imitating JD to display the password, get getElementsByTagName through the new method in HTML5, add the method of getting elements in H5, operate elements, and change the content of operation elements
Introduction to Web APIs
1. Basic relevance between web APIs and JS
1.1 composition of JS ECMAScript,JS syntax, DOM page document object model, BOM browser object model
1.2 JS foundation stage and Web APIs stage
JS basic stage We are learning the basic syntax specified in ECMAScript standard Students are required to master the basic gramma ...
Posted by coco777 on Fri, 15 Apr 2022 08:44:41 +0300
Vue mobile terminal is based on vw adaptation scheme (simple) analysis of relevant terms of mobile terminal (easy to understand)
Analysis of mobile terminal related terms (easy to understand)
Screen related
Screen size Refers to the diagonal length of the screen, in inches. Common sizes are: 3.5 inches, 4.7 inches, 5.0 inches and 6.0 inches Note: 1 inch = 2.54 cm Screen resolution Refers to the total number of physical pixels owned by the screen in the horizonta ...
Posted by DanDaBeginner on Thu, 14 Apr 2022 12:53:00 +0300
Java web shopping cart project
catalogue
Project premise
Creation of database
User table
Commodity list
Create packages and classes using eclipse:
Main functions
1. Shopping cart user login
2. Product display
3. Shopping cart Addition & calculation of total quantity and price of goods
1, Project premise
1. The shopping cart is not always in the database
...
Posted by boon_chong on Thu, 14 Apr 2022 06:10:45 +0300
[Python crawler series tutorial 13-100] Beautiful Soup, which is a delicious soup
Beautiful Soup
First of all, of course, the addresses of various materials. Yours
Official website: https://www.crummy.com/software/BeautifulSoup/ Official documents: https://www.crummy.com/software/BeautifulSoup/bs4/doc/ Chinese documents: https://www.crummy.com/software/BeautifulSoup/bs4/doc.zh/ Let's take a look at the official introdu ...
Posted by shdt on Wed, 13 Apr 2022 20:34:43 +0300
[x hand] zero foundation easy introduction html
Web page is a collection of web pages on the Internet, which are made by using HTML according to certain rules and used to display specific content.
HTML refers to hypertext markup language, a language used to describe Web pages.
 <! DOCTYPE HTML > the current document is parsed using the html5 standard.
html suffix must be html ...
Posted by monke on Tue, 12 Apr 2022 23:46:20 +0300
CSS commonly used grammar summary [essence]
CSS common syntax summary
Reference mode
Annotation method: / **/
Case insensitive in CSS, variable naming uses - to split
Internal style Through the style tag, embed the CSS code into the HTML, and use the selector {}
<style>
p {
color: rgb(156, 163, 53);
font-size: 30px;
}
< ...
Posted by maxpup979 on Tue, 12 Apr 2022 23:15:00 +0300
JavaWeb 13 standard label
Using web XML file setting web page home page
When we create a new web project, click Next
Click Next until you see the interface. You can directly check generate web XML deployment descriptor to create a web XML file
Under the directory of the project, a web. Net appears XML file
Â
Double click web XML file, click Source below.
Â
Cl ...
Posted by ejaboneta on Tue, 12 Apr 2022 20:57:15 +0300
The forced horizontal screen function of Vue Cli Html mobile terminal is simple to implement
The forced horizontal screen function of Vue Cli Html mobile terminal is simple to implement
catalogue
The forced horizontal screen function of Vue Cli Html mobile terminal is simple to implement
1, Brief introduction
2, Implementation principle
3, Precautions
4, Effect preview
5, Implementation steps
6, Key code
7, Other
1, Brie ...
Posted by Canabalooza on Sun, 10 Apr 2022 17:16:00 +0300
Practical training - Using HTML+CSS to make responsive project web pages
catalogue
Project introduction
Project framework process
1. Navigation
2. Navigation responsive design
3. Login
4. Login responsive design
5. New course express and responsive design
6. Popular course list and responsive design
7. Popular labels
summary
Project introduction
This time we learn a new web design method, responsive ...
Posted by Fahid on Sun, 10 Apr 2022 03:09:43 +0300